| 2,358.4 | 2,231.8 | 2,156.6 | 2,109.1 | 2,070.9 | 2,030 | | | | | | | | |
| 13.9% | 9.9% | 9.9% | 11.8% | 16.2% | 21.4% | | | | | | | | |
| | | | | | | | | | | | | | |
| 1,624.8 | 1,526.1 | 1,477.1 | 1,452.7 | 1,456.1 | 1,451.1 | | | | | | | | |
Direct Service Costs, Excluding Depreciation and Amortization | | | | | | | | | | | | | | |
Reimbursed Out-of-Pocket Expenses | | | | | | | | | | | | | | |
| 733.6 | 705.7 | 679.5 | 656.3 | 614.8 | 579 | | | | | | | | |
| 31.1% | 31.6% | 31.5% | 31.1% | 29.7% | 28.5% | | | | | | | | |
Selling, General & Administrative Expenses | 198.1 | 199.2 | 194 | 180.2 | 177.3 | 169.5 | | | | | | | | |
Selling, General and Administrative | | | | | | | | | | | | | | |
Depreciation & Amortization Expenses | 28.5 | 29 | 29.2 | 29.3 | 28.7 | 28.1 | | | | | | | | |
| | | | | | | | | | | | | | |
| | | | | | | | | | | | | | |
| — | — | — | — | — | — | | | | | | | | |
| | | | | | | | | | | | | | |
| 507 | 477.5 | 456.3 | 446.9 | 408.8 | 381.4 | | | | | | | | |
| | | | | | | | | | | | | | |
| 21.5% | 21.4% | 21.2% | 21.2% | 19.7% | 18.8% | | | | | | | | |
| — | — | — | 25 | — | — | | | | | | | | |
| | | | | | | | | | | | | | |
Interest Income (Expense), Net | | | | | | | | | | | | | | |
| — | — | — | 29.1 | — | 4.4 | | | | | | | | |
Loss on Extinguishment of Debt | | | | | | | | | | | | | | |
Miscellaneous (Expense) Income, Net | | | | | | | | | | | | | | |
Interest Income (Expense), Net | | | | | | | | | | | | | | |
Total Non-Operating Income | — | — | — | 54 | — | 4.4 | | | | | | | | |
Income Before Provision for Income Taxes | 519.4 | 495.4 | 481.3 | 475.9 | 432.7 | 397.2 | | | | | | | | |
Income Before Income Taxes | | | | | | | | | | | | | | |
Provision for Income Taxes | 86.4 | 77.1 | 64.9 | 71.5 | 67.1 | 57.4 | | | | | | | | |
| | | | | | | | | | | | | | |
| 433 | 418.3 | 416.4 | 404.4 | 365.7 | 339.8 | | | | | | | | |
| | | | | | | | | | | | | | |
Net Income Attributable to Common Shareholders | 433 | 418.3 | 416.4 | 404.4 | 365.7 | 339.8 | | | | | | | | |
| | | | | | | | | | | | | | |
| 14.7 | 13.8 | 13.5 | 13.1 | 11.8 | 11 | | | | | | | | |
| 14.3 | 13.5 | 13.1 | 12.6 | 11.4 | 10.6 | | | | | | | | |
Basic Weighted Average Shares Outstanding | 29.5 | 30.2 | 30.8 | 31 | 30.9 | 30.8 | | | | | | | | |
| 28.2 | 28.1 | 29.8 | 30.6 | 31.1 | 31 | | | | | | | | |
Diluted Weighted Average Shares Outstanding | 30.3 | 31.1 | 31.8 | 32 | 32 | 31.9 | | | | | | | | |
| 535.5 | 506.5 | 485.5 | 476.1 | 437.5 | 409.5 | | | | | | | | |
| 16.6% | 15.6% | 13.5% | 15% | 15.5% | 14.4% | | | | | | | | |